ヒナイシドジョウ (Cobitis shikokuensis)

科: Cobitidae

ヒナイシドジョウは日本に原生する温和な雑食性の淡水魚（ドジョウ科）。飼育難度は初心者向き程度です。

飼育条件

水温: 18–26 °C
pH: 6.5–7.5
GH硬度: 5–15 dGH
成魚の体長: 4.3–6.2 cm
最小水槽: 62 L
泳ぐ水層: Bottom; rests and forages low; keep 3+
飼育難度: 簡単
性格: Peaceful
原産地: 日本

種の概要

A Cobitidae species native to Japan: Cobitis shikokuensis lives bottom; rests and forages low; keep 3+ over clear streams, rivers and still waters. Peaceful. Adults reach 4.3–6.2 cm. It is one of the aquarium-kept Cobitis species we profile, alongside Cobitis lutheri, Cobitis sinensis, Cobitis biwae.

原生環境

生息地: Clear streams, rivers and still waters
水流: Moderate flow
溶存酸素: Average oxygen needs

レイアウトと設備

底床: Fine sand
流木・石組: Driftwood, water-worn stones and shelters that mimic the native biotope
水草: Hardy plants on hardscape; keep the floor open

性格・餌・混泳

群泳性: Keep 3+; larger groups settle better
餌: Omnivore; quality prepared foods with variety
おすすめの混泳相手: Amur False Gudgeon — Similar size and water needs
China-Bitterling — Similar size and water needs
Acanthorhodeus chankaensis — Similar size and water needs
混泳しないほうがいい相手: Large aggressive cichlids — Bullying and injury risk
Known fin nippers — Constant stress and fin damage

繁殖と注意点

雌雄の違い: Males are typically slimmer and more intensely colored; females fuller-bodied
繁殖方法: Egg-scatterer over fine plants; condition with rich foods and simulate seasonal changes

よくある質問

ヒナイシドジョウは飼育しやすい？

難易度：簡単。Peaceful。

ヒナイシドジョウの適水温と水質は？

適水温 18–26 °C。Community-standard range; verify locally。Standard heater to hold the mid-range steadily。

ヒナイシドジョウの大きさと水槽サイズは？

成魚は約 4.3–6.2 cm。Bottom; rests and forages low; keep 3+。最小 62 L の水槽。

ヒナイシドジョウの餌は？

Omnivore; quality prepared foods with variety。1日2回の少量給餌が理想的。

ヒナイシドジョウは混泳できる？

Peaceful。混泳の相手：Amur False Gudgeon — Similar size and water needs, China-Bitterling — Similar size and water needs, Acanthorhodeus chankaensis — Similar size and water needs。Large aggressive cichlids — Bullying and injury risk, Known fin nippers — Constant stress and fin damageは避ける。

ヒナイシドジョウの原産地は？

日本のClear streams, rivers and still watersが生息地。

ヒナイシドジョウの繁殖は？

Egg-scatterer over fine plants; condition with rich foods and simulate seasonal changes。Males are typically slimmer and more intensely colored; females fuller-bodied。